JP7129918B2 - Vehicle lighting device - Google Patents

Description

The present invention relates to a vehicle lighting device.

BACKGROUND ART Conventionally, there has been known a vehicular lighting apparatus that includes a lighting body for illuminating the vehicle interior and a camera for detecting objects, etc., in an overhead console arranged in the center of the ceiling (roof lining) of the front seats of a vehicle. (See Patent Document 1, for example). Such a vehicular lighting device includes a housing in which a lamp housing section for housing a lamp body and a camera housing section for housing a camera are integrally formed.

Japanese Unexamined Patent Application Publication No. 2018-2118

By the way, since the housing of the vehicle lighting device as described above includes the lamp housing portion and the camera housing portion which are integrally formed, the size of the housing may become large. In addition, the integration of the lamp housing portion and the camera housing portion complicates the shape of the housing, which may make it difficult to manufacture the housing by molding using a resin material or the like. In addition, it is difficult to individually set the material, processing method, weight, rigidity, design, color, etc., for each of the integrated lamp housing and camera housing.

SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to provide a vehicle lighting device capable of diversifying specifications and improving ease of manufacture.

In order to solve the above problems, the vehicle lighting device according to the present invention is formed separately from each other, joined together in a predetermined arrangement direction, and installed in the upper part of the vehicle interior of the vehicle. a first housing and a second housing; a first housing portion and a box portion provided inside the first housing; a lighting body housed in the first housing portion; and a lid for openably closing an opening provided in the first housing so as to communicate with the interior of the vehicle, and a lid provided inside the second housing for detecting at least one of the exterior and interior of the vehicle. a second housing portion for housing a detection portion , wherein the second housing includes a wall portion that closes a second opening provided in the box portion, and the second opening portion in the box portion; of the edge portion of the vehicle in the vertical direction are defined as an upper first end portion and a lower second end portion, and both ends of the wall portion of the second housing in the vertical direction are defined as an upper third end and a lower fourth end, the first end and the third end are joined together, the second end and the fourth end are joined together, and the first end and the third end is arranged closer to the first housing than the second end and the fourth end in the arrangement direction .

With this configuration, the material, processing method, weight, rigidity, design, color, and the like can be individually set for each of the first housing and the second housing. Further, compared to the case where the first housing and the second housing are integrally formed, for example, it is possible to suppress the size of each of the first housing and the second housing from becoming large. As a result, diversification of the specifications of the first housing and the second housing and ease of manufacture can be improved. In addition, for example, when the first housing and the second housing are manufactured by molding, it is possible to suppress the occurrence of structurally weak portions such as weld lines and poor appearance portions.
In addition, as the spacing in the arrangement direction between the first and third ends and the second and fourth ends is increased, the moments around the second and fourth ends are balanced, The reaction force (for example, vertical reaction force) of the first end and the third end with respect to the load of the second housing changes to decrease. Thereby, for example, when the first end and the third end are arranged above the second end and the fourth end in a vertical direction (for example, a vertical direction) intersecting (for example, perpendicular to) the arrangement direction etc., compared to the case where the first end and the third end and the second end and the fourth end are arranged substantially aligned in the arrangement direction, the first end and the third end The required support force and stiffness can be reduced.
Further, when increasing the spacing in the arrangement direction between the first and third ends and the second and fourth ends, for example, the first and third ends are relatively arranged in the arrangement direction. If it is arranged closer to the second housing than the second end and the fourth end, there arises a problem that it becomes difficult to manufacture the second housing having the wall by molding. As a result, by arranging the first end and the third end relatively closer to the first housing than the second end and the fourth end in the arrangement direction, diversification of specifications and ease of manufacture are improved. can be made

In the vehicle lighting device according to the present invention, the second housing includes a wall portion that closes the second opening provided in the box portion, and the edge portion of the second opening in the box portion is Among them, both ends in the vertical direction of the vehicle are defined as an upper first end and a lower second end, and both ends of the wall of the second housing in the vertical direction are defined as an upper third end and a lower end. , the first end and the third end are joined together, the second end and the fourth end are joined together, the first end and the third It is preferable that the end portion is arranged closer to the first housing than the second end portion and the fourth end portion in the arrangement direction.

With this configuration, as the spacing in the arrangement direction between the first and third ends and the second and fourth ends increases, , the reaction force (for example, vertical reaction force) of the first end and the third end with respect to the load of the second housing tends to decrease. Thereby, for example, when the first end and the third end are arranged above the second end and the fourth end in a vertical direction (for example, a vertical direction) intersecting (for example, perpendicular to) the arrangement direction etc., compared to the case where the first end and the third end and the second end and the fourth end are arranged substantially aligned in the arrangement direction, the first end and the third end The required support force and stiffness can be reduced.
Further, when increasing the spacing in the arrangement direction between the first and third ends and the second and fourth ends, for example, the first and third ends are relatively arranged in the arrangement direction. If it is arranged closer to the second housing than the second end and the fourth end, there arises a problem that it becomes difficult to manufacture the second housing having the wall by molding. As a result, by arranging the first end and the third end relatively closer to the first housing than the second end and the fourth end in the arrangement direction, diversification of specifications and ease of manufacture are improved. can be made

In the vehicle lighting device according to the present invention, the second end portion and the fourth end portion are joined by a combination of a plurality of claw portions and a plurality of claw fixing portions to which the plurality of claw portions are fixed, and the The plurality of claw fixing portions includes a first claw fixing portion with which the claw portion abuts in the vertical direction, and a second claw with which the claw portion abuts in a crossing direction crossing each of the vertical direction and the arrangement direction. A fixed part is preferably provided.

By configuring in this way, the second end and the fourth end are fixed by engaging the plurality of claws with the plurality of claw fixing portions (interlocking and stopping). As a result, the configuration required for mechanically joining the second end portion and the fourth end portion can be reduced compared to the case where, for example, bosses having screws and screw holes are provided instead of the claw portion and the claw fixing portion. It can be made more compact.
Moreover, the plurality of claw portions and the plurality of claw fixing portions restrict displacement and deformation of the first housing and the second housing in each of the vertical direction and the cross direction. As a result, the positioning of the first housing and the second housing can be achieved while ensuring the desired accuracy for position regulation, compared to the case where position regulation is performed in a plurality of directions by a single claw and claw fixing section. can be easily done.

In the vehicle lighting device according to the present invention, the first claw fixing portion is arranged on the center side in the cross direction at either one of the second end portion and the fourth end portion, and the second claw fixing portion is preferably arranged on either one of the above in the cross direction relatively closer to the end than the first hook fixing portion.

With this configuration, the first claw fixing portion and the claw portion fixed to the first claw fixing portion are displaced and deformed in the vertical direction of the first housing and the second housing on the center side in the crossing direction. to regulate. As a result, it is possible to prevent displacement or deformation in the vertical direction (for example, the vertical direction) around the second end portion and the fourth end portion due to the load of the second housing.

In the vehicle lighting device according to the present invention, the second end portion includes the plurality of claw portions extending upward from the lower side in the vertical direction, and the fourth end portion includes the plurality of claw portions. is preferably provided with the plurality of claw fixing portions arranged in a plurality of insertion holes that are inserted upward from the lower side in the vertical direction.

By configuring in this way, the plurality of claw portions of the first housing are inserted into the plurality of insertion holes of the second housing from the interior side of the vehicle toward the inside of the second housing. As a result, it is possible to prevent the plurality of claw portions from protruding or being exposed to the interior side of the vehicle, and to improve the appearance design without impairing the aesthetic appearance of the first housing and the second housing.
Further, in the wall of the second housing, the upper third end is arranged closer to the first housing than the lower fourth end. In some cases, it is necessary to arrange the plurality of claws so as not to interfere with the wall. In this case, it may be difficult to provide the plurality of claws extending upward at the fourth end, or the arrangement of the plurality of claws at the fourth end may be complicated. Further, for example, when a plurality of insertion holes into which a plurality of claws are inserted are formed in the second end, there is a possibility that the rigidity of the edge of the second opening in the box portion of the first housing may be reduced. There is Accordingly, by providing a plurality of claw portions at the second end portion and forming a plurality of insertion holes in which a plurality of claw fixing portions are arranged at the fourth end portion, the arrangement of the plurality of claw portions becomes complicated. In addition, it is possible to prevent deterioration of the rigidity of the edge of the second opening in the box portion of the first housing.

A vehicle lighting device according to the present invention includes a first screw mounting portion provided in the first housing; a second screw mounting portion provided in the second housing so as to communicate with the first screw mounting portion; A screw member that fixes the first housing and the second housing by being mounted on the first screw mounting portion and the second screw mounting portion.

With this configuration, the screw member restricts displacement and deformation of the first housing and the second housing not only in the vertical direction and the cross direction but also in other directions such as the arrangement direction. As a result, it is possible to improve the accuracy of the position regulation of the first housing and the second housing.

In the vehicle lighting device according to the present invention, it is preferable that the first housing is made of polypropylene resin or acrylonitrile-butadiene-styrene resin, and the second housing is made of polycarbonate resin.

By configuring in this way, the first housing is formed relatively flexible, and the second housing is formed with relatively high rigidity. Accordingly, by arranging the first housing on the ceiling (roof lining) of the vehicle, which is made of a flexible material such as cloth or leather, distortion of the shape of the ceiling can be suppressed. Moreover, compared to the case where the first housing and the second housing are made of polycarbonate resin, for example, it is possible to suppress an increase in weight and to prevent an increase in costs required for the configuration.

A vehicular lighting device according to the present invention is formed separately from each other, joined together in a state of being aligned in a predetermined arrangement direction, and provided in an upper part of a vehicle interior of a vehicle with a first housing and a second housing. a first housing portion and a box portion provided inside the first housing; a lamp housed in the first housing portion; a lid that openably closes an opening provided in a housing; and a wall that is provided in the second housing so as to close a second opening provided in the box, the box comprising: Of the edges of the second opening in the second housing, both ends in the vertical direction of the vehicle are defined as an upper first end and a lower second end, and the wall of the second housing in the vertical direction When the both ends of the are an upper third end and a lower fourth end, the first end and the third end are joined to each other, and the second end and the fourth end are joined to each other It is characterized in that the second end portion is arranged relatively lower than the fourth end portion in the up-down direction.

With this configuration, the material, processing method, weight, rigidity, design, color, and the like can be individually set for each of the first housing and the second housing. Further, compared to the case where the first housing and the second housing are integrally formed, for example, it is possible to suppress the size of each of the first housing and the second housing from becoming large. As a result, diversification of the specifications of the first housing and the second housing and ease of manufacture can be improved. In addition, for example, when the first housing and the second housing are manufactured by molding, it is possible to suppress the occurrence of structurally weak portions such as weld lines and poor appearance portions.
In addition, the second end of the first housing is arranged below the fourth end so as to cover the fourth end of the second housing from the interior of the vehicle in the vertical direction of the vehicle. As a result, the joint boundary between the first housing and the second housing can be prevented from being exposed to the inside of the vehicle interior, and the appearance design can be improved without impairing the aesthetic appearance of the first housing and the second housing. can.

In the vehicle lighting device according to the present invention, the first housing is made of polypropylene resin or acrylonitrile-butadiene-styrene resin, and the second housing is made of synthetic resin of polycarbonate resin and acrylonitrile-butadiene-styrene resin or It is preferably made of acrylonitrile-butadiene-styrene resin.

By configuring in this way, the first housing is formed relatively flexible, and the second housing is formed with relatively well-balanced mechanical properties such as rigidity and hardness. Accordingly, by arranging the first housing on the ceiling (roof lining) of the vehicle, which is made of a flexible material such as cloth or leather, distortion of the shape of the ceiling can be suppressed. In addition, for example, compared to the case where the first housing and the second housing are formed of polycarbonate resin, the fluidity during molding can be improved, and structurally weak parts such as weld lines and poor appearance parts can be eliminated. It is possible to suppress the occurrence and improve the manufacturability.

According to the present invention, the first housing and the second housing formed separately from each other make it possible to diversify the specifications and improve the ease of manufacturing.

1 is a side view of a vehicle viewed from the left-right direction, showing the configuration of a vehicle lighting device according to an embodiment of the present invention; FIG. 1 is a perspective view showing the configuration of a vehicle lighting device according to an embodiment of the present invention; FIG. The perspective view which looked at the box part of the 1st housing|casing of the 1st housing|casing of the vehicle lighting apparatus which concerns on embodiment of this invention from the vehicle interior side. FIG. 4 is an exploded perspective view showing a first housing and a second housing of the vehicle lighting device shown in FIG. 3 ; The perspective view which decomposed|disassembled the 1st housing|casing and 2nd housing|casing, and cover member of the lighting apparatus for vehicles which concern on embodiment of this invention, and was seen from the back surface side. FIG. 6 is an exploded perspective view showing a first housing and a second housing of the vehicle lighting device shown in FIG. 5 ; The perspective view which looked at the 1st housing|casing and 2nd housing|casing of the vehicle lighting apparatus which concerns on embodiment of this invention from the inner surface side. FIG. 8 is a cross-sectional view along the XZ plane at the position of the AA line shown in FIG. 7; The figure which shows typically the balance of the moment around the 4th edge part with respect to the load of the 2nd housing|casing in each of the vehicle lighting apparatus which concerns on embodiment of this invention, and a comparative example. The figure which shows an example of the stress distribution of the 1st housing|casing and 2nd housing|casing in each of the vehicle lighting apparatus which concerns on embodiment of this invention, and a comparative example. The perspective view which looked at the box part of the 1st housing|casing of the vehicle lighting apparatus which concerns on the modification of embodiment of this invention from the vehicle interior side. The perspective view which decomposed|disassembled the 1st housing|casing and 2nd housing|casing of the vehicle lighting apparatus which concerns on the modification of embodiment of this invention, and was seen from the back surface side. FIG. 5 is a cross-sectional view taken along the XZ plane of a vehicle lighting device according to a modification of the embodiment of the present invention;

An embodiment of a vehicle lighting device according to the present invention will be described below with reference to the accompanying drawings.

(Vehicle lighting device)
FIG. 1 is a side view of a vehicle 1 showing the configuration of a vehicle lighting device 10 according to an embodiment, viewed from the left-right direction. FIG. 2 is a perspective view showing the configuration of the vehicle lighting device 10 according to the embodiment.

As shown in FIG. 1 , a vehicle lighting device 10 of this embodiment is arranged above a front seat 3 in a vehicle interior 2 of a vehicle 1 . The upper part of the vehicle interior 2 is, for example, a roof lining 4 corresponding to the ceiling, an upper part of the front window 5, and the like.
In the following description, directions of the X-axis, Y-axis, and Z-axis, which are orthogonal to each other in the three-dimensional space, are directions parallel to the respective axes. For example, the longitudinal direction of the vehicle 1 is parallel to the X-axis direction. The positive direction of the X-axis direction is the direction from the rear to the front of the vehicle 1 . The left-right direction of the vehicle 1 is parallel to the Y-axis direction. The positive direction of the Y-axis direction is the direction from the right side to the left side of the vehicle 1 . The vertical direction of the vehicle 1 is parallel to the Z-axis direction. The positive direction of the Z-axis direction is the direction from the bottom to the top of the vehicle 1 .

As shown in FIGS. 1 and 2 , the vehicle lighting device 10 includes a first housing 21 , a second housing 22 , two lighting bodies 23 , and two external cameras 24 . In addition, the external camera 24 corresponds to the detection unit in the claims.
The first housing 21 and the second housing 22 are formed separately from each other. The first housing 21 and the second housing 22 are joined together so as to be aligned in the front-rear direction (X-axis direction), and are arranged so as to partially cover the upper portion of the vehicle interior 2 . Note that the front-rear direction corresponds to the arrangement direction in the claims.

FIG. 3 is a perspective view of the box portion 32 of the first housing 21 of the vehicle lighting device 10 according to the embodiment, viewed from the vehicle interior 2 side. FIG. 4 is an exploded perspective view showing the first housing 21 and the second housing 22 of the vehicle lighting device 10 shown in FIG. FIG. 5 is an exploded perspective view of the first housing 21, the second housing 22, and the lid member 33 of the vehicle lighting device 10 according to the embodiment, viewed from the rear surface 21B side. FIG. 6 is an exploded perspective view showing the first housing 21 and the second housing 22 of the vehicle lighting device shown in FIG. FIG. 7 is a perspective view of the first housing 21 and the second housing 22 of the vehicle lighting device according to the embodiment, viewed from the inner surface side. 8 is a cross-sectional view along the XZ plane at the position of line AA shown in FIG. 7. FIG.

As shown in FIGS. 1 to 8, the outer shape of the first housing 21 is, for example, a box shape provided with a plurality of openings. The first housing 21 is made of a highly flexible resin material such as polypropylene resin or acrylonitrile-butadiene-styrene resin. The first housing 21 is arranged to partially cover the roof lining 4 .

The first housing 21 includes two lamp housing portions 31 , a box portion 32 and a lid member 33 . Note that the lamp housing portion 31 corresponds to the first housing portion in the claims. Also, the lid member 33 corresponds to the lid portion in the claims.
The outer shape of each of the two lamp housing portions 31 is, for example, a concave shape that is concave upward in the vertical direction (positive direction in the Z-axis direction) on the surface 21A of the first housing 21 exposed to the vehicle interior 2 side. formed. The two lamp housing portions 31 are provided on the rear side of the first housing 21 in the front-rear direction (negative direction in the X-axis direction). Each of the two lamp housings 31 houses a lamp 23 .

The outer shape of the box portion 32 is formed, for example, in a concave shape that is concave upward in the vertical direction on the surface 21A of the first housing 21 . Along with this, a first opening 34 is formed in the first housing 21 so as to communicate with the inside of the box portion 32 from the vehicle interior 2 side. The first opening 34 corresponds to the opening in the claims.
The box portion 32 constitutes a so-called console box of an overhead console, and is provided on the front side of the first housing 21 in the front-rear direction (positive side in the X-axis direction). The box portion 32 accommodates a lid member 33 that opens and closes the first opening portion 34 so as to be able to be pulled out toward the vehicle interior 2 side.
The box portion 32 has a left end portion 32L and a right end portion 32R in the left-right direction (Y-axis direction), and each of the left end portion 32L and the right end portion 32R has a shaft that rotatably supports a rotating shaft 51a of the lid member 33, which will be described later. A support portion 41 is provided. For example, the shaft support portion 41 is formed with a shaft insertion hole 41a into which the rotating shaft 51a of the cover member 33 is rotatably inserted.

A second opening 42 is formed in a front end portion 32</b>F of the box portion 32 in the front-rear direction. The second opening 42 corresponds to the second opening in the claims. The box portion 32 includes a plurality of (for example, two) first claw portions 44 at a first end portion 43U on the upper side in the vertical direction of the peripheral edge portion 43 forming the second opening portion 42 . In addition, the peripheral edge portion 43 corresponds to the edge portion in the claims. For example, the two first claw portions 44 protrude forward in the front-rear direction at a predetermined interval in the left-right direction. For example, as shown in FIG. 4, each first claw portion 44 includes a leg portion 44a extending in the front-rear direction and a head portion 44b protruding downward in the vertical direction from the tip of the leg portion 44a.
As shown in FIGS. 4 to 7, each first claw portion 44 is mechanically joined to a first claw holding portion 63 of the second housing 22, which will be described later, by a so-called cantilever snap fit. Each first claw portion 44 engages the first claw holding portion 63 with the head portion 44b from the top to the bottom in the vertical direction due to the elasticity of the leg portion 44a, thereby holding the first housing 21 and the second housing 22 together. fasten to each other.

The box portion 32 includes a plurality of (for example, four) second claw portions 45 at a second end portion 43B on the lower side in the vertical direction of the peripheral edge portion 43 of the second opening portion 42 . The second claw portion 45 corresponds to the claw portion in the claims. For example, the four second claw portions 45 are arranged at predetermined intervals in the left-right direction. Each second claw portion 45 has a pair of claw pieces 46 that are separated in the left-right direction and protrude upward in the vertical direction. For example, as shown in FIG. 6, each claw piece 46 includes a leg portion 46a extending in the vertical direction and a head portion 46b projecting in the horizontal direction from the distal end portion of the leg portion 46a. The pair of claw pieces 46 are arranged so that their respective head portions 46b protrude in opposite directions in the left-right direction.

A pair of claw pieces 46 of each of the second claw portions 45 are attached to a second claw holding portion 64 (for example, a center side second claw holding portion 64A or an end portion) of the second housing 22, which will be described later, by a so-called cantilever-type snap fit. It is mechanically joined to the side second claw holding portion 64B). The pair of claw pieces 46 are arranged so as to sandwich the second claw holding portion 64 from both sides in the left-right direction, and each head portion 46b or each leg portion 46a is pushed into the second claw holding portion 64 by the elasticity of the leg portion 46a. By abutting, the first housing 21 and the second housing 22 are fixed to each other.

Of the four second claw portions 45, the claw pieces 46 of the two center-side second claw portions 45A arranged on the center side in the left-right direction of the second end portion 43B are moved upward in the vertical direction due to the elasticity of the leg portions 46a. The vertical positions of the first housing 21 and the second housing 22 are restricted by abutting the head portion 46b against the second claw holding portion 64 (center side second claw holding portion 64A).
Of the four second claw portions 45, the claw pieces 46 of the two end-side second claw portions 45B arranged on both left and right end sides (the left end 43BL side and the right end 43BR side) of the second end portion 43B are By pushing the leg portion 46a against the second claw holding portion 64 (end side second claw holding portion 64B) from the left and right direction due to the elasticity of the leg portion 46a, the first housing 21 and the second housing 22 are moved in the left and right direction. regulate the position in

The box portion 32 is provided on both end sides (left end 43BL side and right end 43BR side) of the four second claw portions 45 in the left-right direction at the second end portion 43B of the peripheral edge portion 43 of the second opening 42. A first screw mounting portion 47 is provided. Each first screw mounting portion 47 includes, for example, a first boss 47a projecting upward in the vertical direction. A first screw hole 47b is formed in the first boss 47a so as to face and continue to a first screw insertion hole 67a of the second housing 22, which will be described later.
The vehicle lighting device 10 includes a first screw member 48 that is inserted into the first screw insertion hole 67a and screwed into the first screw hole 47b. The first screw member 48 fixes the first housing 21 and the second housing 22 to each other, and the first housing 21 and the second housing 21 and the second housing 21 and the second housing 21 are secured to each other in any arbitrary direction in addition to the vertical direction and the horizontal direction. It regulates the position of the body 22.

The first housing 21 includes two second screw mounting portions 49 provided on both end sides (left end side and right end side) of the two first screw mounting portions 47 in the left-right direction around the box portion 32 . Each second screw mounting portion 49 includes, for example, a second boss 49a protruding upward in the vertical direction from the rear surface 21B of the first housing 21 . A second screw hole 49b is formed in the second boss 49a so as to face and continue to a second screw insertion hole 68a of the second housing 22, which will be described later.
The vehicle lighting device 10 includes a second screw member 50 that is inserted into the second screw insertion hole 68a and screwed into the second screw hole 49b. The second screw member 50 fixes the first housing 21 and the second housing 22 to each other, and the first housing 21 and the second housing 21 and the second housing 21 and the second housing 21 and 22 can be secured in any other arbitrary direction in addition to the vertical direction and the horizontal direction. It regulates the position of the body 22. The first screw mounting portion 47 and the second screw mounting portion 49 correspond to the first screw mounting portion in the claims. Also, the first screw member 48 and the second screw member 50 correspond to the screw members in the claims.

The lid member 33 has a case 51 and a cover 52 .
The outer shape of the case 51 is, for example, an open box shape. The case 51 accommodates an appropriate object such as sunglasses worn by an occupant of the vehicle 1, for example. The case 51 has a rotation shaft 51a extending in the left-right direction at the front end in the front-rear direction. The rotating shaft 51 a is inserted into the shaft insertion hole 41 a of the box portion 32 . The case 51 is pulled out from the inside of the box portion 32 to the vehicle interior 2 side by rotating around the rotation shaft 51a, or is housed inside the box portion 32 from the vehicle interior 2 side.
The cover 52 is attached to the case 51 so as to cover the lower surface of the case 51 (the surface facing the vehicle interior 2 side in the vertical direction). The cover 52 opens and closes the first opening 34 of the first housing 21 as the case 51 rotates. The cover 52 closes the first opening 34 when the case 51 is accommodated inside the box portion 32 , and closes the first opening 34 when the case 51 is pulled out from the inside of the box portion 32 toward the vehicle interior 2 . to unblock the

As shown in FIGS. 1 to 8, the outer shape of the second housing 22 is, for example, an open box shape. The second housing 22 is made of, for example, a highly rigid resin material such as polycarbonate resin. The second housing 22 is arranged to cover part of the upper portion of the front window 5 .
The second housing 22 includes a camera housing portion 61 and a wall portion 62 . Note that the camera housing portion 61 corresponds to the second housing portion in the claims.
The outer shape of the camera housing portion 61 is, for example, a box shape that opens upward in the vertical direction and forward in the front-rear direction. The camera housing portion 61 is provided on the front side of the second housing 22 in the front-rear direction. The camera housing portion 61 houses two external cameras 24 that are arranged apart in the left-right direction.

The outer shape of the wall portion 62 is, for example, a plate-like shape that curves along the rotational trajectory of the front end (the front end portion in the front-rear direction) of the lid member 33 in the box portion 32 of the first housing 21 . The wall portion 62 is provided on the rear side of the second housing 22 in the front-rear direction. The wall portion 62 closes the second opening portion 42 of the box portion 32 of the first housing 21 .
The vertically upper third end portion 62U of the wall portion 62 is arranged on the first housing 21 side in the front-rear direction relatively behind the vertically lower fourth end portion 62B of the wall portion 62. ing.

As shown in FIGS. 4 to 7, the wall portion 62 includes a plurality of (for example, two) first claw holding portions 63 at the upper third end portion 62U in the vertical direction. For example, two first claw holding portions 63 are provided at a predetermined interval in the left-right direction. The outer shape of each first claw holding portion 63 is such that, for example, the head portion 44b of each first claw portion 44 of the first housing 21 is engaged (engaged and stopped) downward in the vertical direction. It is formed in a concave shape. Each first claw portion 44 and each first claw holding portion 63 are engaged with each other to fix the first housing 21 and the second housing 22 .

The wall portion 62 includes a plurality of (for example, four) second claw holding portions 64 at a lower fourth end portion 62B in the vertical direction. For example, the four second claw holding portions 64 are arranged at predetermined intervals in the left-right direction. A plurality (for example, four) of the second claw portions 45 of the first housing 21 are inserted into the second housing 22 from the vehicle interior 2 side toward the inside of the second housing 22 (for example, four) at the fourth end 62B. ) through holes 65 are formed. For example, four through holes 65 are provided at predetermined intervals in the left-right direction. Each second claw holding portion 64 is formed so as to extend upward in the vertical direction from an edge portion 66 of each through hole 65 on the center side of each through hole 65 in the left-right direction. The outer shape of each second claw holding portion 64 is, for example, a columnar shape that extends upward in the vertical direction from the edge portion 66 and engages with each second claw portion 45 in the vertical or horizontal direction. In addition, the through hole 65 corresponds to an insertion hole in the claims.

As shown in FIG. 8, the second end portion 43B of the first housing 21 having the plurality of second claw portions 45 has a plurality of through holes 65 formed from the vehicle interior 2 side, that is, from the lower side in the vertical direction. It is arranged so as to overlap the fourth end portion 62B of the second housing 22 . Accordingly, as shown in FIGS. 5 to 7, the pair of claw pieces 46 of each second claw portion 45 are inserted into each through hole 65 so as to sandwich each second claw holding portion 64 from both sides in the left-right direction. It is inserted toward the inside of the second housing 22 from the lower side in the vertical direction to the upper side. A pair of claw pieces 46 of each second claw portion 45 fixes the first housing 21 and the second housing 22 by meshing with each second claw holding portion 64 in the vertical direction or the horizontal direction.

As shown in FIG. 6, of the four second claw holding portions 64, the two center side second claw holding portions 64A arranged on the center side in the left-right direction of the fourth end portion 62B are two second claw portions. 45 (central side second claw portion 45A) is abutted in the vertical direction, thereby restricting the vertical positions of the first housing 21 and the second housing 22 . The two center-side second claw holding portions 64A arranged on the center side in the left-right direction correspond to the first claw fixing portion in the claims.
Of the four second claw holding portions 64, the two end portion side second claw holding portions 64B arranged on both left and right end sides (left end 62BL side and right end 62BR side) of the fourth end portion 62B The positions of the first housing 21 and the second housing 22 in the left-right direction are regulated by the two claws 45 (the second end-side claws 45B) abutting in the left-right direction. Note that the two end-side second claw holding portions 64B arranged at both end sides (the left end 62BL side and the right end 62BR side) in the left-right direction correspond to the second claw fixing portion in the claims. Moreover, the horizontal direction corresponds to the crossing direction in the claims. Moreover, the left end 62BL side and the right end 62BR side correspond to the end portion sides in the claims.

The second housing 22 includes two third screw mounting portions 67 provided on both end sides (left end side and right end side) of the four second claw holding portions 64 in the left-right direction around the wall portion 62 . Each third screw mounting portion 67 is formed with, for example, a first screw insertion hole 67 a that faces and continues to the first screw hole 47 b of each first screw mounting portion 47 of the first housing 21 . As described above, each first screw member 48 inserted into each first screw insertion hole 67a is screwed into each first screw hole 47b to fix the first housing 21 and second housing 22. .

The second housing 22 includes two fourth screw mounting portions 68 provided on both end sides (left end side and right end side) of the two third screw mounting portions 67 in the left-right direction around the wall portion 62 . Each fourth screw mounting portion 68 is formed with, for example, a second screw insertion hole 68 a that faces and continues to the second screw hole 49 b of each second screw mounting portion 49 of the first housing 21 . As described above, the second screw members 50 inserted into the second screw insertion holes 68a are screwed into the second screw holes 49b to fix the first housing 21 and the second housing 22. . The third screw mounting portion 67 and the fourth screw mounting portion 68 correspond to the second screw mounting portion in the claims.

Note that when the first housing 21 and the second housing 22 are joined together, first, the first end 43U of the first housing 21 and the third end 62U of the second housing 22 are joined together. The first claw portion 44 and each first claw holding portion 63 are engaged.
Next, the second claw portions 45 and the second claw holding portions 64 are engaged with the second end portion 43B of the first housing 21 and the fourth end portion 62B of the second housing 22 .
Next, the first screw mounting portions 47 of the first housing 21 and the third screw mounting portions 67 of the second housing 22 are fixed by the first screw members 48, and the first housing 21 is fixed by the first screw members 48. Each second screw mounting portion 49 and each fourth screw mounting portion 68 of the second housing 22 are fixed by each second screw member 50 .

Each of the two lamp bodies 23 is, for example, a light emitting diode or the like.
The two external cameras 24 are, for example, stereo cameras or the like arranged separately in the horizontal direction. The two external cameras 24 detect pedestrians, objects, etc. in front of the vehicle 1 in the longitudinal direction. The two external cameras 24 are controlled, for example, by an appropriate control device. The control device is a software functional unit that functions when a predetermined program is executed by a processor such as a CPU (Central Processing Unit). The software function unit is an ECU (Electronic Control Unit) comprising a processor such as a CPU, a ROM (Read Only Memory) for storing programs, a RAM (Random Access Memory) for temporarily storing data, and an electronic circuit such as a timer. be. Also, at least part of the control device may be an integrated circuit such as an LSI (Large Scale Integration).

As described above, according to the vehicle lighting device 10 of the present embodiment, the first housing 21 and the second housing 22 are formed separately. and colors can be set individually. In addition, for example, as compared with the case where the first housing 21 and the second housing 22 are integrally formed, it is possible to suppress the size of each of the first housing 21 and the second housing 22 from becoming large. can be done. As a result, it is possible to diversify the specifications of the first housing 21 and the second housing 22 and improve the ease of manufacturing. In addition, when the first housing 21 and the second housing 22 are manufactured by molding, for example, it is possible to suppress the occurrence of structurally weak portions such as weld lines and poor appearance portions.

A second opening 42 is formed in the box portion 32 of the first housing 21, and a wall portion 62 that closes the second opening 42 is provided in the second housing 22. The end portion 62U is arranged closer to the first housing 21 than the fourth end portion 62B, which is relatively lower in the front-rear direction. Thereby, each of the separate first housing 21 and second housing 22 can be easily manufactured by molding. That is, for example, when the box portion 32 of the first housing 21 is not provided with the second opening 42, or for example, the upper third end portion 62U of the wall portion 62 of the second housing 22 is relatively In the case of arranging them closer to the second housing 22 than the lower fourth end portion 62B, there is a problem that it becomes difficult to manufacture each of the first housing 21 and the second housing 22 by molding. occur. In order to address such a problem, the box portion 32 of the first housing 21 is provided with the second opening 42, and the wall portion 62 of the second housing 22 that closes the second opening 42 has a third end portion. By arranging 62U closer to the first housing 21 than the fourth end 62B, the ease of manufacturing the first housing 21 and the second housing 22 can be improved.

Moreover, FIG. 9 is a diagram schematically showing the balance of the moment around the fourth end portion 62B with respect to the load Fa of the second housing 22 in each of the vehicle lighting device 10 according to the embodiment and the comparative example. As shown in FIG. 9, in the vehicle lighting device 10 according to the embodiment, the third end portion 62U of the wall portion 62 is located forward and backward (X-axis direction) from the first housing by a predetermined distance Xb from the fourth end portion 62B. In contrast to being arranged on the body 21 side, in the comparative example, the third end portion 62U and the fourth end portion 62B of the wall portion 62 are arranged substantially aligned in the front-rear direction (X-axis direction).
With respect to the load Fa acting on the center of gravity of the second housing 22 at a predetermined distance Xa from the fourth end 62B in the front-rear direction, the third end in the front-rear direction, as in the vehicle lighting device 10 according to the embodiment. As the distance between 62U and fourth end portion 62B increases, the reaction force (for example, vertical reaction force) Fb of third end portion 62U decreases due to the balance of moments around fourth end portion 62B. . On the other hand, as in the comparative example, as the distance between the third end portion 62U and the fourth end portion 62B is reduced in the front-rear direction, the moment around the fourth end portion 62B is balanced, causing the third end portion 62U to move. The reaction force (for example, vertical reaction force) Fb0 changes to increase. Accordingly, in the vehicle lighting device 10 according to the embodiment, the support required for the first end portion 43U of the first housing 21 and the third end portion 62U of the second housing 22 is reduced as compared with the comparative example. Force and stiffness can be reduced.
Further, with respect to the rotation around the fourth end portion 62B caused by the load Fa of the second housing 22, the displacement direction of the third end portion 62U in the comparative example is downward in the vertical direction. The displacement direction of the third end portion 62U in the vehicle lighting device 10 according to the embodiment is the upper side in the vertical direction. As a result, in the vehicle lighting device 10 according to the embodiment, the first end portion 43U of the first housing 21 that engages with the third end portion 62U from the upper side in the vertical direction to the lower side is relatively small. Compared to the example, the first end portion 43U and the third end portion 62U can be firmly joined.

Moreover, FIG. 10 is a diagram showing an example of the applied portion distribution of the first housing 21 and the second housing 22 in each of the vehicle lighting device 10 according to the embodiment and the comparative example. As shown in FIG. 10 , in the vehicle lighting device 10 according to the embodiment, the second housing 22 is provided with the wall portion 62 that closes the second opening 42 of the box portion 32 of the first housing 21 . Therefore, in the comparative example, the wall portion 62 is omitted.
In the second end portion 43B of the peripheral portion 43 of the second opening 42, for example, the stress on both end sides (left end side and right end side) in the left-right direction (Y-axis direction) is It can be seen that it increases in the comparative example. More specifically, in the vehicle lighting device 10 according to the embodiment, the stiffness is approximately 2.5 times higher than that of the comparative example on both sides (the left end side and the right end side) of the second end portion 43B in the left-right direction. was found to have Thereby, in the vehicle lighting device 10 according to the embodiment, the rigidity of the first housing 21 and the second housing 22 can be increased compared to the comparative example.

Further, the first end portion 43U and the second end portion 43B of the first housing 21 and the third end portion 62U and the fourth end portion 62B of the second housing 22 are separated from each of the claw portions 44 and 45 and each claw. It is mechanically joined by the combination with the holding parts 63,64. As a result, the structure required for mechanical joining can be made more compact than when bosses or the like having screws and screw holes are provided instead of the claws 44 and 45 and the claw holding portions 63 and 64. can be
Further, the plurality of second claw portions 45 of the second end portion 43B and the plurality of second claw holding portions 64 of the fourth end portion 62B are arranged in the vertical direction and the horizontal direction, respectively. 22 displacement and deformation. As a result, the first housing 21 and the second housing 22 can be secured while ensuring the desired accuracy with respect to the positional regulation, compared to the case where the positional regulation is performed in a plurality of directions by, for example, a single claw portion and claw fixing portion. Alignment can be easily performed.

In addition, the two central second claw holding portions 64A of the fourth end portion 62B and the two second claw portions 45 of the second end portion 43B fixed to the two central second claw holding portions 64A are The displacement and deformation in the vertical direction of the first housing 21 and the second housing 22 are restricted on the center side in the horizontal direction. Thereby, it is possible to prevent displacement or deformation in the vertical direction (for example, vertical direction) around the second end portion 43B and the fourth end portion 62B due to the load of the second housing 22 .
In addition, the plurality of second claw portions 45 of the second end portion 43B of the first housing 21 are arranged in a second direction from the passenger compartment 2 side with respect to the plurality of through holes 65 of the fourth end portion 62B of the second housing 22 . It is inserted toward the inside of the housing 22 . This prevents the plurality of second claw portions 45 from protruding or being exposed to the vehicle interior 2 side, and improves the appearance design property without impairing the aesthetic appearance of the first housing 21 and the second housing 22. can.
Further, the second end portion 43B of the first housing 21 is arranged below the fourth end portion 62B so as to cover the fourth end portion 62B of the second housing 22 from the vehicle interior 2 side in the vertical direction. It is As a result, the joint boundary between the first housing 21 and the second housing 22 is prevented from being exposed to the vehicle interior 2 side, and the appearance design can be improved without impairing the aesthetic appearance of the first housing 21 and the second housing 22 . can be improved.

Further, in the wall portion 62 of the second housing 22, the upper third end portion 62U is arranged closer to the first housing 21 side than the lower fourth end portion 62B. When a plurality of claw portions are provided in the wall portion 62, it is necessary to arrange the plurality of claw portions so as not to interfere with the wall portion 62. In this case, it may be difficult to provide the plurality of claws extending upward at the fourth end 62B, or the arrangement of the plurality of claws at the fourth end 62B may be complicated. Further, for example, when a plurality of insertion holes into which a plurality of claws are inserted are formed in the second end portion 43B, the rigidity of the peripheral portion 43 of the second opening 42 in the box portion 32 of the first housing 21 may decrease. As a result, the second end portion 43B is provided with the plurality of second claw portions 45, and the fourth end portion 62B is provided with the plurality of through holes 65 in which the plurality of second claw holding portions 64 are arranged. It is possible to prevent the arrangement of the second claw portion 45 from becoming complicated, and to prevent the rigidity of the peripheral portion 43 of the second opening 42 in the box portion 32 of the first housing 21 from decreasing.

Further, the first screw member 48 and the second screw member 50 can displace and control the first housing 21 and the second housing 22 not only in the vertical direction and the horizontal direction but also in other directions such as the front-rear direction. Regulate deformation. As a result, the accuracy of position regulation of the first housing 21 and the second housing 22 can be improved.
Also, the first housing 21 is formed relatively flexible, and the second housing 22 is formed relatively rigid. Accordingly, by arranging the first housing 21 on the ceiling (roof lining 4) of the vehicle 1 formed of a flexible material such as cloth or leather, distortion of the shape of the ceiling can be suppressed. In addition, compared to the case where the first housing 21 and the second housing 22 are made of polycarbonate resin, for example, it is possible to suppress an increase in weight and prevent an increase in cost required for the configuration.

Modifications of the embodiment will be described below.

(Modification)
In the above-described embodiment, the second housing 22 includes the camera housing portion 61 and the wall portion 62, but the present invention is not limited to this, and the camera housing portion 61 may be omitted.
FIG. 11 is a perspective view of the box portion 32 of the first housing 21 of the vehicle lighting device 10 according to the modification of the embodiment, viewed from the vehicle interior 2 side. FIG. 12 is an exploded perspective view of the first housing 21 and the second housing 22 of the vehicle lighting device 10 according to the modification of the embodiment, viewed from the rear surface 21B side. FIG. 13 is a cross-sectional view along the XZ plane of the vehicle lighting device 10 according to the modification of the embodiment.
In the vehicle lighting device 10 according to this modified example, the second housing 22 is made of synthetic resin such as polycarbonate resin and acrylonitrile-butadiene-styrene resin or acrylonitrile-butadiene-styrene resin. It is made of a resin material with an excellent balance of

According to this modification, since the first housing 21 and the second housing 22 are formed separately, the material, processing method, weight, rigidity, design, color, etc. can be individually set. . As a result, diversification of specifications such as the presence or absence of the camera housing portion 61 can be easily accommodated, and diversification of specifications of the first housing 21 and the second housing 22 and ease of manufacture can be improved. .
In addition, the first housing 21 is formed relatively flexible, and the second housing 22 is formed with relatively well-balanced mechanical properties such as rigidity and hardness. As a result, compared to the case where the first housing 21 and the second housing 22 are formed of polycarbonate resin, for example, the fluidity during molding can be improved, and structurally weak portions such as weld lines and external appearance can be improved. It is possible to suppress the occurrence of defective parts and improve the manufacturability.

In the above-described embodiment, the first housing 21 has a plurality of first claw portions 44 at the first end portion 43U, and the second housing 22 has a plurality of first claw holding portions 63 at the third end portion 62U. However, it is not limited to this.
For example, the second housing 22 has a plurality of third claws at the third end 62U, and the first housing 21 has a plurality of third claw holders with which the plurality of third claws are engaged. It may be provided at the end portion 43U.

In the above-described embodiment, the first housing 21 has a plurality of second claw portions 45 at the second end portion 43B, and the second housing 22 has a plurality of second claw holding portions 64 at the fourth end portion 62B. However, it is not limited to this.
For example, the second housing 22 has a plurality of fourth claws at the fourth end 62B, and the first housing 21 has a plurality of fourth claw holders with which the plurality of fourth claws are engaged. It may be provided at the end 43B.

In the above-described embodiment, the first end portion 43U and the second end portion 43B of the first housing 21 and the third end portion 62U and the fourth end portion 62B of the second housing 22 are each claw portions. Although mechanical joining is performed by combining 44, 45 and claw holding portions 63, 64, the present invention is not limited to this.
For example, the first end portion 43U of the first housing 21 and the third end portion 62U of the second housing 22 are joined together, and the second end portion 43B of the first housing 21 and the second end portion 43B of the second housing 22 are joined together. At least one of the connections with the four ends 62B may be mechanically connected by other configurations such as a combination of a screw and a boss having a tapped hole. Further, for example, the joining of the first end portion 43U of the first housing 21 and the third end portion 62U of the second housing 22, and the second end portion 43B of the first housing 21 and the second housing 22 At least one of the joints with the fourth end portion 62B of may be joined by a method other than mechanical joining such as welding.

In the above-described embodiment and modification, the second end portion 43B of the first housing 21 is arranged below the fourth end portion 62B of the second housing 22, but the present invention is not limited to this. Alternatively, the second end portion 43B of the first housing 21 may be arranged above the fourth end portion 62B of the second housing 22 .

In the above-described embodiment, the vehicle lighting device 10 is provided with two external cameras 24, but is not limited to this, and in addition or instead of the two external cameras 24, another detection device You may prepare.
Other detection devices are, for example, radar that detects the distance and direction to a detection target using radio waves such as millimeter waves, or a range sensor that detects the distance to a detection target using light. The range sensor is, for example, LIDAR (Light Detection and Ranging or Laser Imaging Detection and Ranging).
Further, another detection device may be, for example, a camera that detects an occupant or the like in the vehicle interior 2 .

Embodiments of the invention are provided by way of example and are not intended to limit the scope of the invention. These embodiments can be implemented in various other forms, and various omissions, replacements, and modifications can be made without departing from the scope of the invention. These embodiments and their modifications are included in the scope and spirit of the invention, as well as the scope of the invention described in the claims and equivalents thereof.

DESCRIPTION OF SYMBOLS 1... Vehicle 2... Vehicle interior 4... Roof lining 5... Front window 10... Vehicle lighting device 21... First housing 21A... Front surface 21B... Back surface 22... Second housing 23... Light body 24 External camera (detection part) 31 Light housing part (first housing part) 32 Box part 33 Lid member (lid part) 34 First opening (opening part) 42... Second opening (second opening) 43... Periphery (edge) 43U... First end 43B... Second end 44... First claw 45... Second claw (claw portion), 45A... second center-side hook portion (claw portion), 45B... second end-side hook portion (claw portion), 47... first screw mounting portion, 48... first screw member (screw member) , 49... Second screw mounting part (first screw mounting part), 50... Second screw member (screw member), 61... Camera accommodating part (second accommodating part), 62... Wall part, 62 U... Third end part , 62B... fourth end, 62BL... left end (end), 62BR... right end (end), 63... first claw holding portion, 64... second claw holding portion, 64A... second central claw holding portion ( First claw fixing portion), 64B... End side second claw holding portion (second claw fixing portion), 65... Through hole (insertion hole), 67... Third screw mounting portion (second screw mounting portion), 68 … 4th screw mounting part (2nd screw mounting part)

Claims (8)

a first housing and a second housing which are formed separately from each other, are joined in a state of being aligned in a predetermined arrangement direction, and are provided in the upper part of the interior of the vehicle;
a first accommodating portion and a box portion provided inside the first housing;
a lamp housed in the first housing;
a lid portion for openably closing an opening provided in the first housing so as to communicate with the inside of the box portion from the interior of the vehicle;
a second housing portion provided inside the second housing for housing a detection portion that detects at least one of the exterior and the interior of the vehicle;
with
The second housing includes a wall portion that closes a second opening provided in the box portion,
Of the edge portions of the second opening of the box portion, both ends in the vertical direction of the vehicle are defined as an upper first end portion and a lower second end portion, and the wall portion of the second housing has the above-mentioned When both ends in the vertical direction are the upper third end and the lower fourth end,
the first end and the third end are joined together;
the second end and the fourth end are joined together;
The first end and the third end are arranged closer to the first housing than the second end and the fourth end in the arrangement direction.
A vehicle lighting device characterized by: The second end and the fourth end are joined by a combination of a plurality of claws and a plurality of claw fixing portions to which the plurality of claws are fixed,
The plurality of claw fixing parts are
a first claw fixing portion against which the claw portion abuts in the vertical direction;
a second claw fixing portion against which the claw portion abuts in a crossing direction that intersects each of the vertical direction and the arrangement direction;
The vehicle lighting device according to claim 1 , comprising: The first claw fixing portion is arranged on the center side in the cross direction at either one of the second end portion and the fourth end portion,
3. The vehicle lighting according to claim 2 , wherein the second claw fixing portion is arranged on the side of the end relative to the first claw fixing portion in the cross direction in the one of the two. Device. the second end includes the plurality of claws extending upward from the downward side in the vertical direction;
The fourth end portion is provided with the plurality of claw fixing portions arranged in a plurality of insertion holes into which the plurality of claw portions are inserted from the lower side toward the upper side in the vertical direction. The vehicle lighting device according to Claim 3 or Claim 3 . a first screw mounting portion provided in the first housing;
a second screw mounting portion provided on the second housing to communicate with the first screw mounting portion;
a screw member that fixes the first housing and the second housing by being mounted on the first screw mounting portion and the second screw mounting portion;
The vehicle lighting device according to any one of claims 2 to 4 , comprising: The first housing is made of polypropylene resin or acrylonitrile-butadiene-styrene resin,
The vehicle lighting device according to any one of claims 1 to 5 , wherein the second housing is made of polycarbonate resin. a first housing and a second housing which are formed separately from each other, are joined in a state of being aligned in a predetermined arrangement direction, and are provided in the upper part of the interior of the vehicle;
a first accommodating portion and a box portion provided inside the first housing;
a lamp housed in the first housing;
a lid portion for openably closing an opening provided in the first housing so as to communicate with the inside of the box portion from the interior of the vehicle;
a wall portion provided in the second housing so as to block a second opening provided in the box portion;
with
Of the edge portions of the second opening of the box portion, both ends in the vertical direction of the vehicle are defined as an upper first end portion and a lower second end portion, and the wall portion of the second housing has the above-mentioned When both ends in the vertical direction are the upper third end and the lower fourth end,
the first end and the third end are joined together;
the second end and the fourth end are joined together;
The vehicular lighting device, wherein the second end portion is arranged relatively lower than the fourth end portion in the vertical direction. The first housing is made of polypropylene resin or acrylonitrile-butadiene-styrene resin,
8. The vehicle lighting device according to claim 7 , wherein the second housing is made of synthetic resin of polycarbonate resin and acrylonitrile-butadiene-styrene resin or acrylonitrile-butadiene-styrene resin.

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